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CHÍNH SÁCH KHÁCH HÀNG
Potassium dihydrogen phosphate solution (buffer stock solution) 1/15 mol/l (1 L)
Barium sulfate for white standard DIN 5033 (250 G)
Potassium hydrogen phthalate Volumetric standard, secondary reference material for alkalimetry, traceable (80 G)
Colour Reference Solutions Y for testing the colour intensity acc. to Ph. Eur. Y1-Y7 CertiPUR (1 SET)
Colour Reference Solutions BY for testing the colour intensity acc. to Ph. Eur. BY1-BY7 CertiPUR (1 SET)
Certificate of analysis available on internet. Conductivity water (nominal 0 mS/cm) Test solution for Measurement (5 X 100 ML)
Potassium hydrogen phthalate certified secondary standard reference material for pH measurement; (25 G)
Colour Reference Solutions R for testing the colour intensity acc. to Ph. Eur. R1-R7 CertiPUR (1 SET)
Potassium chloride solution (nominal 0.147 mS/cm) certified reference material for the measurement of (500 ML)
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